## page was copied from DnsTemplate
##master-page:HelpTemplate

=== watchA ===
<<Navigation(children,1)>>

<<TableOfContents()>>

Ubuntu側はmtu 1280に設定されているのだが、
　サーバー側はudp: 1452で送ってくるのだろうか。
　　当然フラグメント化されるはず。

== whois ==
{{{
$ dig -t txt  long.qmail.jp @1.1.1.1

; <<>> DiG 9.12.3 <<>> -t txt long.qmail.jp @1.1.1.1
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 49129
;; flags: qr rd ra; QUERY: 1, ANSWER: 20, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1452
;; QUESTION SECTION:
;long.qmail.jp.			IN	TXT

;; ANSWER SECTION:
long.qmail.jp.		86400	IN	TXT	"dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd"
long.qmail.jp.		86400	IN	TXT	"eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee"
long.qmail.jp.		86400	IN	TXT	"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
long.qmail.jp.		86400	IN	TXT	"gggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg"
long.qmail.jp.		86400	IN	TXT	"hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh"
long.qmail.jp.		86400	IN	TXT	"iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii"
long.qmail.jp.		86400	IN	TXT	"jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj"
long.qmail.jp.		86400	IN	TXT	"00000000000000000000000000000000000000000000000000000000000000"
long.qmail.jp.		86400	IN	TXT	"11111111111111111111111111111111111111111111111111111111111111"
long.qmail.jp.		86400	IN	TXT	"22222222222222222222222222222222222222222222222222222222222222"
long.qmail.jp.		86400	IN	TXT	"33333333333333333333333333333333333333333333333333333333333333"
long.qmail.jp.		86400	IN	TXT	"44444444444444444444444444444444444444444444444444444444444444"
long.qmail.jp.		86400	IN	TXT	"55555555555555555555555555555555555555555555555555555555555555"
long.qmail.jp.		86400	IN	TXT	"66666666666666666666666666666666666666666666666666666666666666"
long.qmail.jp.		86400	IN	TXT	"77777777777777777777777777777777777777777777777777777777777777"
long.qmail.jp.		86400	IN	TXT	"88888888888888888888888888888888888888888888888888888888888888"
long.qmail.jp.		86400	IN	TXT	"99999999999999999999999999999999999999999999999999999999999999"
long.qmail.jp.		86400	IN	TXT	"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
long.qmail.jp.		86400	IN	TXT	"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"
long.qmail.jp.		86400	IN	TXT	"cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc"

;; Query time: 2024 msec
;; SERVER: 1.1.1.1#53(1.1.1.1)
;; WHEN: 日 12月 23 17:52:21 JST 2018
;; MSG SIZE  rcvd: 1542

tmaeno@u16:~$ 

}}}

8.8.8.8からの返答はこうだが、TCPは使われていない。(ということはフラグメント?)

{{{
; EDNS: version: 0, flags:; udp: 512
}}}
----
CategoryDns CategoryWatch CategoryTemplate